Memorial services for Lockerbie on 25th anniversary
21 December 2013 Last updated at 18:56 GMT
The UK, US and Libyan governments have vowed to work together to reveal "the full facts" of the Lockerbie bombing which claimed 270 lives.
The administrations also expressed their deep condolences to the families of the victims.
The announcement came in a joint statement as memorial events were held on the 25th anniversary of the tragedy.
James Cook reports.